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Mobile communications system and operation method thereof

a mobile terminal and communication system technology, applied in the field of mobile communications system and an operation method thereof, can solve the problems of liable to fraudulent use by the third party, fraudulent use of the terminal b>101/b>, etc., and achieve the effect of preventing fraudulent use of the mobile terminal

Inactive Publication Date: 2005-05-17
NEC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0014]In view of the foregoing problem, it is an object of the present invention to provide a mobile communication system capable of preventing fraudulent use of the mobile terminal. Another object of the present invention is to provide a mobile communication system that can detect the location of the lost or stolen communication terminals.

Problems solved by technology

These terminals, once lost by the user or stolen by someone else, are liable to fraudulent use by the third party.
Furthermore, there is also a possibility that the terminal 101 is fraudulently used even in a case where match is found between the location information of the terminal 101 and that of the terminal 102.

Method used

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  • Mobile communications system and operation method thereof
  • Mobile communications system and operation method thereof
  • Mobile communications system and operation method thereof

Examples

Experimental program
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first embodiment

[0037]FIG. 1 is a block diagram of a mobile communication system according to a first embodiment of the present invention. The mobile communication system has both a mobile terminal 1 and a base station 3, where the mobile terminal 1 is connected to the base station 3 via a wireless communication network 2 as shown in FIG. 1.

[0038]The mobile terminal 1 includes a central processing unit (hereinafter abbreviated as a CPU). The CPU 4 is connected to a terminal-identifier storage unit 5 that stores terminal identifiers. The storage unit 5 holds identifiers which are peculiar to individual terminals.

[0039]The CPU 4 is also connected to a location detection unit 6 that detects the location of the mobile terminal 1. Preferably, the location detection unit 6 consists of a GPS (Global Positioning System) antenna. Wireless module 7 to which the CPU 4 is connected is linked to the base station 3 via the wireless communication network 2. The base station 3 is connected to a center equipment 8 ...

second embodiment

[0056]A mobile communication system according to a second embodiment of the present invention has the same structure as that of the first embodiment as described above, excluding the following points. Unlike the mobile terminal 1 of the mobile communication system according to the first embodiment, a mobile terminal 16 of the mobile communication system according to a second embodiment lacks, as shown in FIG. 3, a location detection unit. The mobile communication system according to the second embodiment, however, includes a plurality of base stations 3A, 3B, and 3C. As for other elements constituting the mobile communication system, the system according to the second embodiment is the same in structure as that according to the first embodiment.

[0057]Similar to the mobile communication system according to the first embodiment, before a mobile terminal 16 is used, a utilization-admission condition information is input from a utilization-admission condition input unit 14. This informa...

third embodiment

[0071]A mobile communication system according to a third embodiment of the present invention provides a mobile terminal 21 as shown in FIG. 5 that includes a central processing unit (CPU) 22. The CPU 22 is connected to a software storage unit 23 that stores programs the CPU 22 executes. The CPU 22 gives instructions to each part of the mobile terminal 21 according to the programs stored in the software storage unit 23.

[0072]The CPU 22 is also connected to a terminal-identifier storage unit 24 that stores a terminal identifier inherent to the mobile terminal 21. The CPU 22 is connected to a utilization-condition detection unit 25 for detecting a condition how the terminal 21 is being used. Utilization condition of the terminal 21 contains a geographical location where the terminal 21 exists and its user attribute.

[0073]The utilization-condition detection unit 25 includes a location detection unit 26 and a user-attribute input unit 27, each of which is connected to the CPU 22. The loc...

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Abstract

A mobile communication system including a fixed station, a detection unit, and mobile terminals, which provides a wireless communication for the mobile terminals. The detection unit detects a utilization condition indicative of a state where the mobile terminals are being used. The fixed station contains a storage unit that stores a utilization-admission condition indicative of a state where said mobile terminals are permitted to be used, and a processing unit for executing communications with the mobile terminals. The processing unit therefore halts communications with the mobile terminals in accordance with the utilization condition and utilization-admission condition.

Description

CROSS REFERENCE TO RELATED APPLICATIONS[0001]This application is a division of co-pending application Ser. No. 09 / 790,505, filed on Feb. 23, 2001, the entire contents of which are hereby incorporated by referenceBACKGROUND OF THE INVENTION[0002]The present invention relates to a mobile communications system and an operation method thereof. More particularly, the present invention relates to a mobile communications system and a method of operating the system for preventing fraudulent use of communication terminals.[0003]Recently, mobile communication terminals (cellular phones) are increasing in demand. These terminals, once lost by the user or stolen by someone else, are liable to fraudulent use by the third party.[0004]Japanese laid-open patent application 9-191342 discloses a mobile telephone system capable of preventing fraudulent use of mobile terminals. The system comprises as shown in FIG. 7, a mobile telephone terminal 101, a location registration terminal 102, switches 103, ...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): H04Q7/38H04W12/12H04M3/42
CPCH04W12/12H04W12/63H04W12/082H04W12/126H04W12/30
Inventor MURAKAMI, TAKUYA
Owner NEC CORP
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